3-1/2" Crimped Wire Cup Brush- Carbon Steel

Milwaukee 48-52-5065 – Product Description

What it is:

The 48-52-5065 is a Milwaukee 3-1/2" crimped wire cup brush designed for use on angle grinders for light-to-medium surface cleaning and prep work.

Key specs:

• Type: Crimped wire cup brush
• Diameter: 3-1/2"
• Material: Carbon steel wire
• Mount: 5/8"-11 threaded arbor (standard grinder fit)
• Max RPM: 12,000
• Tool use: 4-1/2" or 5" angle grinders

What it’s used for:

This is a surface cleaning / prep tool, not a cutting accessory.

Typical applications:

• Removing light rust
• Cleaning welds and slag
• Stripping paint and coatings
• Surface prep before welding or painting
• Light fabrication cleanup

Key features:

• Crimped wire design: More flexible than knotted brushes, better for uneven surfaces and edges
• Less aggressive than knotted wire: Reduces gouging on the work surface
• Hyperwire construction: Improves durability and material removal efficiency
• Reduced vibration design: Better control during use
• General-purpose cleaning performance: Balanced for everyday shop and jobsite use

In plain terms:

This is basically a metal “scrubbing brush” for a grinder.

• It does not cut or grind material like a blade
• It scrapes off rust, paint, and surface contamination
• It’s gentler than knotted wire wheels, so it’s better for lighter cleanup work

Simple takeaway:

• 48-52-5065 = crimped wire cup brush
• Used on angle grinders (not saws or drills)
• Best for light rust removal and surface prep
• Less aggressive than knotted wire versions